Quaker State Motor Oil in a 5-quart bottle is a synthetic blend 5W-30 oil designed to protect your engine in various driving conditions, from fast highway speeds to slow city traffic. This motor oil maintains its viscosity throughout the driving cycle, ensuring your engine receives optimal protection at all times. It effectively combats engine sludge and deposits while providing rust protection against harmful acids produced by engine contaminants. In addition, it helps reduce engine wear, offering long-lasting protection to keep your engine running smoothly. Quaker State 5W-30 Synthetic Blend Motor Oil meets or exceeds numerous OEM requirements, including Chrysler MS-6395, Ford WSS M2C946-A, Ford WSS M2C946-B1, and GM 6094M. Furthermore, it surpasses industry specifications such as API SP and all previous categories, along with ILSAC GF-6a and earlier ILSAC standards. Consult the Quaker State Technical Help Desk or your owner's manual for a complete list of equipment approvals and recommendations, ensuring the best care for your vehicle.